RT Journal Article SR Electronic T1 Laughter as a Neurochemical Mechanism Aimed at Reinforcing Social Bonds: Integrating Evidence from Opioidergic Activity and Brain Stimulation JF The Journal of Neuroscience JO J. Neurosci. FD Society for Neuroscience SP 8581 OP 8582 DO 10.1523/JNEUROSCI.1589-17.2017 VO 37 IS 36 A1 Caruana, Fausto YR 2017 UL http://www.jneurosci.org/content/37/36/8581.abstract AB